<template>
    <div>
        <heard :title="title"></heard>
        <div v-for="item in cartData" v-if="cartData.length > 0">
            <van-swipe-cell>
                <van-card :price="item.goods.goods_price" :title="item.goods.goods_name"
                    thumb="https://fastly.jsdelivr.net/npm/@vant/assets/ipad.jpeg">
                    <template #thumb>
                        <div style="display: flex;width: 100px;height: 100px;">
                            <van-checkbox v-model="item.checked"></van-checkbox>
                            <img :src="item.goods.goods_small_logo ? item.goods.goods_small_logo : 'https://fastly.jsdelivr.net/npm/@vant/assets/ipad.jpeg'"
                                alt="" style="width: 75px;height: 75px;">
                        </div>

                    </template>
                    <template #num>
                        <van-stepper v-model="item.number" theme="round" button-size="22" disable-input />
                    </template>

                </van-card>
                <template #right>
                    <van-button square text="删除" @click="de(item.id)" type="danger" class="delete-button"
                        style="height: 100%;" />
                </template>
            </van-swipe-cell>
        </div>
        <div v-else>
            <van-empty description="暂无数据" />

        </div>
        <van-submit-bar :price="allprice" button-text="提交订单" @submit="onSubmit">
            <van-checkbox v-model="checked">全选</van-checkbox>
        </van-submit-bar>
    </div>
</template>

<script setup>
import heard from '@/components/heard.vue';
const title = '购物车'
import { useCounterStore } from '@/stores/cart'
// 在组件内部的任何地方均可以访问变量 `store` ✨
const store = useCounterStore()
console.log(store.cart)
import { computed, ref } from 'vue';
let cartData = ref([])
const cart = () => {
    cartData.value = store.cart
}
cart()
const de = (id) => {
    store.cart = store.cart.filter(item => item.id != id)
    cart()
}
const checked = computed({
    get() {
        if (cartData.value.length == 0) {
            return false
        }
        else {
            return cartData.value.every(item => item.checked)
        }
    },
    set(val) {
        console.log(val)
        cartData.value.forEach(item => item.checked = val)
    }
})
const allprice = computed(() => {
    let allprice=ref(0)
    let ok = cartData.value.filter(item => item.checked)
    ok.forEach((item) => {
        allprice.value += item.number * item.goods.goods_price
    })
    return allprice.value * 100
})
</script>

<style lang="scss" scoped></style>